# Author：miyuki

# 一、用户输入
# 方法：input()
name = input("name:")
age = input("age:")

# 登陆系统
if username == user_data:
    if password == user_password:
        print("登陆成功!欢迎",username,"使用~")
    else:
        print("您的账号或密码不正确")
else:
    print("您的账号或密码不正确")

# 二、列表
names = "xiao,zhong,da,pa"
print(names[1])
names_list = ["xiao","zhong","da","pa"]
password_list = [123456,123455,234444,987654]
age_list = [20,21,22,22]

# 嵌套
info_list = [["xiao",123456,20],["zhong",123455,21]]

print(names_list[0])
print(password_list[0])
print(age_list[0])
print(info_list[-1])
